AC Powered flash tube control circuit
Accidental flash prevention in a photographic flash device
Adjustable timing light
Anti-cycling control system for luminaires
Apparatus for controlling the charging of a main capacitor of a
Apparatus for controlling the charging of a main capacitor of a
Apparatus for decoding a DPCM encoded signal
Apparatus for dimming discharge lamp having electromagnetic regu
Apparatus to retrofit an HID light fixture
Arrangement for displaying operation of booster circuit for flas
Automatic correct exposure indicator
Automatic flash device